pole position and 1 victory in his maiden national GT racing season. Rydquist also took 2nd place in the 2001 Endurance Racing Cup (Touring cars) season finale in a BMW 320i. 2002 and 2003 saw now Champion-sponsored Rydquist visit the one-spec series Swedish Junior Touring Car Challenge with MH Motorsport in a front-wheel driven Volvo S40 JTCC car as well as adding ground-effects experience to his merits when racing in the Scandinavian Sports Racing Car Challenge. Rydquist's laptimes in the JTCC Volvo topped those of his two teammates in his first practice and in his second race weekend he won a podium position after taking 4th in two earlier heats. Rydquist also collected more points during his second weekend in JTCC than both his teammates. Racing a Radical the Scandinavian Sports Racing Car Challenge, Rydquist set faster laptimes than both of his teammates and took a podium finish in his first race weekend in this car type (in his 2nd event Rydquist made an advancement to 8th from 16th starting position stemming from mechanical failure in qualifying). In 2003 Rydquist also qualified an ex-BTCC BMW M3 in 3rd place in a Swedish Endurance Racing Series event. In 2004, Rydquist was back full-time in the Swedish Endurance Racing Cup with MV Racing's Porsche 993 RSR. Rydquist broke four official class lap records, took two pole positions and won three out of six 3-hour races on the way to winning an overall Swedish 3H Endurance Racing Cup title. In 2005 the Swedish Endurance Racing series was officially dubbed a National Swedish Endurance Racing Championship. Still sponsored by Champion, Rydquist set off with the win in the premiere 3-hour race of the season, piloting MV Racing's Porsche 911 GT3 Cup. During the remainder of the 2005 season Rydquist won twice and set the fastest qualifying laptime of all participating Porsche 911 GT3 Cup cars twice, in the end earning the first runner-up position in the championship standings. Rydquist got invited by Loehr Racing at the end of 2005 to race in the inaugural Zandvoort 500 in the team's Porsche 911 GT3 RS. Supported by professionally operated Levin Racing, Rydquist raced with team-mates Martin Morin and Bernard Loehr and they took the checkered flag first, making Loehr Racing the first Swedish team to ever win this race. In 2006 Rydquist went to race in one of the world's most challenging races: The 24 Hours